Single Row Ball Bearing; 17MM Bore; 40MM Outside Diameter; 12MM Outer Race Width; 2 Metal Shields; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; C3-Loose Internal Clearance; Steel Cage

Angular Contact Ball Bearing; 40MM Bore; 80MM Outside Diameter; 18MM Width; 2 Seals; Yes Flush Ground; Single Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring; C0-Medium Internal Clearance; Polyamide Cage; 40 Degree; 1 (Single)